ReQuiz DNA and Mitosis

The activities in the cell cycle occur during specific phases. In which phase of the cell cycle is DNA replicated?

• mitosis

• G₁ phase

• G₂ phase

• S phase

What is a monomer of DNA and/or RNA called?

• Nucleotide
• Nitrogenous base
• Sugar-phosphate backbone
• Adenosine Triphosphate

Which of these is NOT part of a nucleotide?

• 5-carbon sugar
• Phosphate group
• Glucose
• Nitrogenous base

Which of these nitrogenous bases is NOT in DNA?

• Uracil
• Thymine
• Cytosine
• Guanine

Which of these nitrogenous bases is NOT in RNA?

• Uracil
• Thymine
• Cytosine
• Guanine

Four different nucleotides are used as building blocks of DNA. Which of the following can be used to distinguish one nucleotide from another?

• The nitrogenous base

• The shape of the deoxyribose sugar

• The length of the phosphate group

• The type of fatty acid

As a fertilized egg divides, the cells differentiate because they

• contain a lipid bilayer

• can clump together

• metabolize sugars rapidly

• have specific genes activated

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The picture shows a student using a microscope to study a prepared slide of a single-celled organism

A single-celled organism can be classified as a prokaryote based on the absence of

• a cell membrane

• ribosomes

• chromosomes

• a nucleus

A process where one cell forms two identical daughter cells is called...

• cell cycle
• cell division (mitosis)
• interphase
• cytokinesis

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The cell cycle is ______________.

• the process of cells circling throughout the body
• the process of splitting the organelles
• a process where one cell gets energy
• the sequence of stages of growth and division that a cell undergoes

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